char dev ioctls
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1610 c046a42c-6fe2-441c-8c8c-71466251a162
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parent
f8d179e33d
commit
2122c51a9c
11
hw/serial.c
11
hw/serial.c
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@ -107,6 +107,7 @@ static void serial_update_irq(SerialState *s)
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static void serial_update_parameters(SerialState *s)
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{
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int speed, parity, data_bits, stop_bits;
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QEMUSerialSetParams ssp;
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if (s->lcr & 0x08) {
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if (s->lcr & 0x10)
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@ -124,7 +125,12 @@ static void serial_update_parameters(SerialState *s)
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if (s->divider == 0)
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return;
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speed = 115200 / s->divider;
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#if 0
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ssp.speed = speed;
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ssp.parity = parity;
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ssp.data_bits = data_bits;
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ssp.stop_bits = stop_bits;
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qemu_chr_ioctl(s->chr, CHR_IOCTL_SERIAL_SET_PARAMS, &ssp);
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#if 0
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printf("speed=%d parity=%c data=%d stop=%d\n",
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speed, parity, data_bits, stop_bits);
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#endif
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@ -179,7 +185,8 @@ static void serial_ioport_write(void *opaque, uint32_t addr, uint32_t val)
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break_enable = (val >> 6) & 1;
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if (break_enable != s->last_break_enable) {
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s->last_break_enable = break_enable;
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qemu_chr_set_serial_break(s, break_enable);
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qemu_chr_ioctl(s->chr, CHR_IOCTL_SERIAL_SET_BREAK,
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&break_enable);
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}
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}
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break;
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28
vl.h
28
vl.h
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@ -200,6 +200,24 @@ void qemu_del_fd_read_handler(int fd);
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#define CHR_EVENT_BREAK 0 /* serial break char */
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#define CHR_EVENT_FOCUS 1 /* focus to this terminal (modal input needed) */
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#define CHR_IOCTL_SERIAL_SET_PARAMS 1
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typedef struct {
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int speed;
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int parity;
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int data_bits;
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int stop_bits;
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} QEMUSerialSetParams;
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#define CHR_IOCTL_SERIAL_SET_BREAK 2
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#define CHR_IOCTL_PP_READ_DATA 3
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#define CHR_IOCTL_PP_WRITE_DATA 4
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#define CHR_IOCTL_PP_READ_CONTROL 5
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#define CHR_IOCTL_PP_WRITE_CONTROL 6
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#define CHR_IOCTL_PP_READ_STATUS 7
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typedef void IOEventHandler(void *opaque, int event);
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typedef struct CharDriverState {
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@ -207,10 +225,7 @@ typedef struct CharDriverState {
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void (*chr_add_read_handler)(struct CharDriverState *s,
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IOCanRWHandler *fd_can_read,
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IOReadHandler *fd_read, void *opaque);
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void (*chr_set_serial_parameters)(struct CharDriverState *s,
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int speed, int parity,
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int data_bits, int stop_bits);
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void (*chr_set_serial_break)(struct CharDriverState *s, int enable);
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int (*chr_ioctl)(struct CharDriverState *s, int cmd, void *arg);
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IOEventHandler *chr_event;
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void (*chr_send_event)(struct CharDriverState *chr, int event);
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void *opaque;
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@ -223,10 +238,7 @@ void qemu_chr_add_read_handler(CharDriverState *s,
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IOCanRWHandler *fd_can_read,
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IOReadHandler *fd_read, void *opaque);
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void qemu_chr_add_event_handler(CharDriverState *s, IOEventHandler *chr_event);
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void qemu_chr_set_serial_parameters(CharDriverState *s,
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int speed, int parity,
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int data_bits, int stop_bits);
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void qemu_chr_set_serial_break(CharDriverState *s, int enable);
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int qemu_chr_ioctl(CharDriverState *s, int cmd, void *arg);
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/* consoles */
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